diff --git a/tests/bluetooth/tester/src/btp/btp_l2cap.h b/tests/bluetooth/tester/src/btp/btp_l2cap.h
index d08a89fba85..32d16d6d75e 100644
--- a/tests/bluetooth/tester/src/btp/btp_l2cap.h
+++ b/tests/bluetooth/tester/src/btp/btp_l2cap.h
@@ -53,6 +53,7 @@ struct btp_l2cap_send_data_cmd {
 #define BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_AUTHOR	0x02
 #define BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_ENC_KEY	0x03
 #define BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_ENCRYPTION 0x04
+#define BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_SEC_AUTHEN	0x05
 
 #define BTP_L2CAP_LISTEN				0x05
 struct btp_l2cap_listen_cmd {
diff --git a/tests/bluetooth/tester/src/btp_l2cap.c b/tests/bluetooth/tester/src/btp_l2cap.c
index cbda506b898..ec7107271ff 100644
--- a/tests/bluetooth/tester/src/btp_l2cap.c
+++ b/tests/bluetooth/tester/src/btp_l2cap.c
@@ -770,6 +770,9 @@ static uint8_t listen(const void *cmd, uint16_t cmd_len,
 	case BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_ENCRYPTION:
 		server->sec_level = BT_SECURITY_L2;
 		break;
+	case BTP_L2CAP_CONNECTION_RESPONSE_INSUFF_SEC_AUTHEN:
+		server->sec_level = BT_SECURITY_L4;
+		break;
 	default:
 		return BTP_STATUS_FAILED;
 	}